/**
 * Vendor Management System - Custom Styles
 * Refined "Metoxi" style theme: light sidebar, blue primary, soft surfaces.
 */

/* Root Variables */
:root {
    --primary: #4680ff;
    --primary-rgb: 70, 128, 255;
    --primary-dark: #366fe6;
    --primary-soft: rgba(70, 128, 255, 0.10);
    --primary-gradient: linear-gradient(135deg, #4680ff 0%, #6f9dff 100%);

    --body-bg: #f4f7fa;
    --surface: #ffffff;
    --text: #2f3a4c;
    --text-muted: #8a94a6;
    --border: #ebeef3;

    --sidebar-bg: #ffffff;
    --sidebar-text: #3a4453;

    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(31, 45, 79, 0.06), 0 1px 2px rgba(31, 45, 79, 0.04);
    --shadow-md: 0 8px 28px rgba(31, 45, 79, 0.10);

    --primary-gradient-legacy: var(--primary-gradient);
    --sidebar-width: 256px;
    --sidebar-collapsed-width: 74px;
    --header-height: 62px;

    /* Retarget Bootstrap's primary so bg/text/border/opacity utilities + links adopt our blue */
    --bs-primary: #4680ff;
    --bs-primary-rgb: 70, 128, 255;
    --bs-link-color: #4680ff;
    --bs-link-color-rgb: 70, 128, 255;
    --bs-link-hover-color: #366fe6;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--body-bg);
    color: var(--text);
    min-height: 100vh;
    font-size: 0.875rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.01em;
}

a { text-decoration: none; }

/* Wrapper */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* ============ Sidebar ============ */
#sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    transition: all 0.3s ease;
}

#sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
    overflow: hidden;
}

#sidebar.collapsed .sidebar-header h4 span,
#sidebar.collapsed .sidebar-header small,
#sidebar.collapsed .nav-link span,
#sidebar.collapsed .sidebar-section-label,
#sidebar.collapsed .sidebar-footer .flex-grow-1,
#sidebar.collapsed .sidebar-brand-text,
#sidebar.collapsed .sidebar-brand {
    display: none !important;
}

#sidebar.collapsed .sidebar-header {
    justify-content: center !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

/* Footer when collapsed: stack avatar + logout vertically, centered */
#sidebar.collapsed .sidebar-footer .d-flex {
    flex-direction: column !important;
    align-items: center !important;
    gap: 6px;
}

#sidebar.collapsed .sidebar-footer .avatar {
    width: 32px !important;
    height: 32px !important;
    margin-right: 0 !important;
}

#sidebar.collapsed .sidebar-footer .btn {
    padding: 2px 6px !important;
}

#sidebar.collapsed .nav-link {
    text-align: center;
    padding: 14px;
    font-size: 0;
    white-space: nowrap;
    overflow: hidden;
}

#sidebar.collapsed .nav-link i {
    margin: 0 !important;
    font-size: 1.25rem;
}

#sidebar.collapsed .components {
    padding: 12px 10px !important;
}

.sidebar-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    min-height: var(--header-height);
}

.sidebar-brand-name { color: var(--text); }
.sidebar-brand-sub { color: var(--text-muted); }
.sidebar-toggle-btn { color: var(--text-muted); }
.sidebar-toggle-btn:hover { color: var(--primary); }

.sidebar-footer {
    background: transparent;
    border-top: 1px solid var(--border);
}
.sidebar-user-name { color: var(--text); }

/* Sidebar scrollable menu */
#sidebar .components {
    overflow-y: auto;
    max-height: calc(100vh - 150px);
    padding-bottom: 90px !important; /* clearance so last item never sits under the fixed footer */
    scrollbar-width: thin;
    scrollbar-color: #d5dbe4 transparent;
}

/* Keep the user/logout footer above the menu list */
.sidebar-footer {
    background: var(--surface);
    z-index: 2;
}

#sidebar .components::-webkit-scrollbar {
    width: 5px;
}

#sidebar .components::-webkit-scrollbar-thumb {
    background: #d5dbe4;
    border-radius: 4px;
}

/* Sidebar backdrop for mobile */
.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(31, 45, 79, 0.45);
    z-index: 999;
    display: none;
}

.sidebar-backdrop.show {
    display: block;
}

/* Section labels */
.sidebar-section-label span {
    color: #97a1b0 !important;
    letter-spacing: 0.06em;
    font-weight: 700;
    font-size: 0.72rem !important;
}

/* Navigation Links */
#sidebar .nav-link {
    display: flex;
    align-items: center;
    color: var(--sidebar-text);
    padding: 11px 15px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    transition: all 0.2s ease;
    font-size: 0.98rem;
    font-weight: 500;
}

#sidebar .nav-link:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

#sidebar .nav-link.active {
    background: var(--primary-gradient);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(var(--primary-rgb), 0.35);
}

#sidebar .nav-link i {
    width: 26px;
    font-size: 1.2rem;
}

/* ============ Main Content ============ */
#content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

#content.expanded {
    margin-left: var(--sidebar-collapsed-width);
    width: calc(100% - var(--sidebar-collapsed-width));
}

/* Top Navbar */
#content > .navbar {
    background: var(--surface) !important;
    box-shadow: 0 1px 0 rgba(31, 45, 79, 0.04);
    border-bottom: 1px solid var(--border) !important;
    min-height: var(--header-height);
}

#sidebarToggle {
    padding: 6px 10px;
    border-radius: 50%;
    color: var(--text);
}
#sidebarToggle:hover { background: var(--primary-soft); color: var(--primary); }

/* ============ Cards ============ */
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.card:hover {
    box-shadow: var(--shadow-md) !important;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    padding: 16px 18px;
    font-weight: 600;
}

.card-body {
    padding: 18px;
}

/* ============ Tables ============ */
.table {
    margin-bottom: 0;
    color: var(--text);
}

.table th {
    font-weight: 600;
    color: var(--text-muted);
    border-top: none;
    padding: 12px 14px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.table td {
    padding: 11px 14px;
    vertical-align: middle;
    font-size: 0.85rem;
    border-color: var(--border);
}

.table > :not(caption) > * > * { border-bottom-color: var(--border); }

.table-light, .table thead.table-light th {
    background-color: #f7f9fc;
    color: var(--text-muted);
}

.table-hover tbody tr:hover {
    background-color: var(--primary-soft);
}

/* ============ Buttons ============ */
.btn {
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.28);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(var(--primary-rgb), 0.38);
}

.btn-outline-primary {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.btn-group-sm .btn,
.btn-sm {
    padding: 5px 10px;
    font-size: 0.78rem;
}

/* ============ Badges ============ */
.badge {
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    letter-spacing: 0.01em;
}

/* ============ Forms ============ */
.form-control,
.form-select {
    border-radius: var(--radius-sm);
    padding: 9px 13px;
    border: 1px solid #dfe4ec;
    font-size: 0.85rem;
    color: var(--text);
    transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.form-label {
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.35rem;
}

.input-group-text {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    border: 1px solid #dfe4ec;
    background: #f7f9fc;
    color: var(--text-muted);
}

/* ============ Progress ============ */
.progress {
    border-radius: 10px;
    background: #eef1f6;
    height: 8px;
}

.progress-bar {
    border-radius: 10px;
    background: var(--primary);
}

/* ============ Alerts ============ */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    padding: 12px 16px;
    font-size: 0.85rem;
}

/* Avatar */
.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Footer */
.footer {
    margin-top: auto;
    background: var(--surface) !important;
    border-top: 1px solid var(--border) !important;
}

/* ============ Pagination ============ */
.pagination {
    gap: 5px;
}

.page-link {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border);
    padding: 6px 12px;
    color: var(--primary);
    font-size: 0.83rem;
}

.page-link:hover { background: var(--primary-soft); color: var(--primary-dark); }

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* Upload Zone */
.upload-zone {
    cursor: pointer;
    transition: all 0.2s ease;
}

.upload-zone:hover {
    border-color: var(--primary) !important;
    background: var(--primary-soft) !important;
}

/* ============ Dropdown ============ */
.dropdown-menu {
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius);
    padding: 8px;
}

.dropdown-item {
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--text);
    transition: all 0.15s ease;
}

.dropdown-item:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

/* ============ Modal ============ */
.modal-content {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 16px 18px;
}

.modal-footer {
    border-top: 1px solid var(--border);
    padding: 16px 18px;
}

/* Activity Timeline */
.activity-timeline .activity-item {
    position: relative;
}

/* ============ Scrollbar ============ */
::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cfd6e0;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b4bdcb;
}

/* ============ Responsive ============ */
@media (max-width: 991.98px) {
    #sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
        transition: margin-left 0.3s ease;
    }

    #sidebar.show {
        margin-left: 0;
        box-shadow: 8px 0 30px rgba(31, 45, 79, 0.18);
    }

    #content {
        margin-left: 0;
        width: 100%;
    }

    #content.expanded {
        margin-left: 0;
        width: 100%;
    }
}

@media (max-width: 767.98px) {
    .card-body {
        padding: 16px;
    }

    .table th,
    .table td {
        padding: 10px;
    }

    .btn {
        padding: 8px 15px;
    }
}

/* ============ Utility Classes ============ */
.bg-gradient {
    background: var(--primary-gradient) !important;
}

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.shadow-primary {
    box-shadow: 0 6px 18px rgba(var(--primary-rgb), 0.3);
}

.border-dashed {
    border-style: dashed !important;
}

/* Soft-tinted icon chips used on stat cards keep their Bootstrap opacity utilities;
   round them a touch more for the refined look */
.rounded-3 { border-radius: var(--radius) !important; }

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* ============ Print ============ */
@media print {
    #sidebar,
    .navbar,
    .btn,
    .footer {
        display: none !important;
    }

    #content {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}